Home / 28,734.48-39,641.40-17,550

Finding the Fourth Proportional to 28,734.48, 39,641.40 and 17,550

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Solution

The fourth proportional to 28,734.48, 39,641.40 and 17,550 is: 24,211.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734.48 : 39,641.40 = 17,550 : x
  2. Step 2: Convert to fraction form
    28,734.48/39,641.40 = 17,550/x
  3. Step 3: Cross multiply
    28,734.48x = 39,641.40 × 17,550
  4. Step 4: Simplify right side
    28,734.48x = 695,706,570
  5. Step 5: Solve for x
    x = 695,706,570/28,734.48
  6. Step 6: Final answer
    x = 24,211.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.